C1.1.1 Introducing Particles

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  • Chemisty C1.1
    • C1.1.2 Chemical and Physcial Change
      • Physical Changes
        • When a subastance changes state, shape or breaks into pieces
        • No new substances are made
        • easier to reverse
      • Chemical Changes
        • when one or more new substances are made
        • may taste, look or smell very different
        • May be a diferent state
        • difficult to reverse
    • C1.1.3 Limitations of the Particle Model
      • There is electrostatic forces between the particles

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